What specific miracles and yogic practices of Sai Baba are detailed in Chapter 7?

Chapter 7 describes some of Sai Baba's extraordinary yogic practices. It mentions His practice of Khanda-yoga, which involved the disjointing of His limbs. The text states that sometimes His hands, feet, and head would be separated and then joined back together as before. This chapter also mentions other experiments like Dhauti, which is a cleansing of the stomach. These practices are presented as examples of how He toiled for the benefit of others and even bore the sufferings of His devotees by wearing out His own body.